The Earth’s Atmosphere Contents Part 8 doc

... downwind. Either these particles and gases slowly settle to the ground in dry form (dry deposition) or they are re- moved from the air during the formation of cloud particles and then carried to the ... period, the earth began to cool slightly over the next 25 years or so. In the late 1960s and 1970s, the cooling trend ended over most of the Northern Hemisphere. During the...

Ngày tải lên: 09/08/2014, 11:20

... hour Knots Calm Calm 1–2 3 8 9–14 15–20 21–25 26–31 32–37 38 43 44–49 50–54 55–60 61–66 67–71 72–77 78 83 84 89 119–123 1–2 3–7 8 12 13–17 18 22 23–27 28 32 33–37 38 42 43–47 48 52 53–57 58 62 63–67 68 72 73–77 103–107 L L 5460 5520 5 580 5640 5700 5760 FIGURE ... 10.32 Some of the features associated with a tornado-breeding thunder- storm as viewed from the southeast. The...

Ngày tải lên: 09/08/2014, 11:20

... the broad belt around the earth known as the trop- ics the region 23 1 ⁄ 2 ° north and south of the equator— the weather is much different from that of the middle latitudes. In the tropics, the ... Sound, Antarctica. During 1 987 , with the aid of instrumented aircraft, NOZE-2 got under way. The findings from these research pro- grams helped scientists put together the p...

Ngày tải lên: 09/08/2014, 11:20

... 91 90 89 87 86 85 83 81 80 79 78 76 74 73 71 70 68 100 99 98 96 95 94 93 91 90 89 87 86 85 83 82 80 79 77 76 74 105 104 103 101 100 99 98 96 95 94 93 91 90 89 87 86 84 83 82 80 110 109 1 08 106 ... 94 91 88 86 83 80 78 75 72 61 50 40 31 23 16 9 2 45 97 94 91 89 86 83 81 78 76 73 62 51 42 33 26 18 12 6 47.5 97 94 92 89 86 84 81 79 76 74 63 53 44 35 28...

Ngày tải lên: 09/08/2014, 11:20

... temperature drops dramatically with height. Above the mesosphere lies the warmest part of the atmosphere, the thermosphere. At the top of the ther- mosphere is the exosphere, where collisions between gas ... pool.) The SI system is the international system of units and symbols. Overview of the Earth’s Atmosphere Composition of the Atmosphere The Early Atmosp...

Ngày tải lên: 09/08/2014, 11:20

... –27 –34 –40 –46 –52 – 58 –64 –71 –77 15 16 9 2 –5 –11 – 18 –25 –31 – 38 –45 –51 – 58 –65 –72 – 78 85 –92 20 12 4 –3 –10 –17 –24 –31 –39 –46 –53 –60 –67 –74 81 88 –95 –103 25 8 1 –7 –15 –22 –29 –36 ... boundary. On the January map, the temperatures are much lower in the middle of continents than they are at the same latitude near the oceans; on the July map, the re- verse...

Ngày tải lên: 09/08/2014, 11:20

... in a conditionally unstable atmosphere over the Great Plains. Notice that, in the distance, the cumulonimbus with the anvil top has reached the stable part of the atmosphere. to peer into a tornado-generating ... lingering close to the ground. As the day progresses, sunlight warms the surface and the surface warms the air above. As the air temperature near the...

Ngày tải lên: 09/08/2014, 11:20

... hour Knots Calm Calm 1–2 3 8 9–14 15–20 21–25 26–31 32–37 38 43 44–49 50–54 55–60 61–66 67–71 72–77 78 83 84 89 119–123 1–2 3–7 8 12 13–17 18 22 23–27 28 32 33–37 38 42 43–47 48 52 53–57 58 62 63–67 68 72 73–77 103–107 N L 1012 1016 1020 1024 1012 x' x 10 08 10 08 1004 1000 996 992 988 984 980 976 972 FIGURE ... hour Knots Calm Calm 1–2 3 8 9–14 15–20 21–25 26–31 32–...

Ngày tải lên: 09/08/2014, 11:20

... clouds form. These, of course, dissipate by late morning as sur- face heating warms the air again. 206 Chapter 8 Air Masses, Fronts, and Middle-Latitude Cyclones 85 86 88 87 91 92 88 mT 86 88 85 86 89 91 92 94 96 92 91 H L 32 36 29 24 25 16 30 30 cP 16 21 32 29 26 35 L Minimum ... answer. The weather in the immediate vicinity of this cold front in the southeastern Unite...

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... episodes during the past 2 mil- lion years are the result of small variations in the tilt of the earth’s axis and in the geometry of the earth’s orbit around the sun. Another theory suggests ... (eccentricity) of the earth’s orbit about the sun 2. precession of the earth’s axis of rotation, or wobbling 3. changes in the tilt (obliquity) of the earth’s axis In...

Ngày tải lên: 09/08/2014, 11:20